<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <!-- 引入 lib 目录下的 bootstrap 样式表 -->
  <link rel="stylesheet" href="./lib/bootstrap-v4.6.0.css">
  <style>
    :root {
      font-size: 15px;
    }

    body {
      padding-top: 15px;
    }
  </style>
</head>

<body>

  <!-- 栅格系统 -->
  <div class="container-fluid">
    <!-- 栅格系统中的一行 -->
    <div class="row">
      <!-- 左侧的表格，占了 8 列 -->
      <div class="col-sm-8">
        <table class="table table-bordered table-striped table-dark table-hover text-center">
          <thead>
            <!-- 表头行 -->
            <tr>
              <th scope="col">Id</th>
              <th scope="col">书名</th>
              <th scope="col">作者</th>
              <th scope="col">出版社</th>
              <th scope="col">操作</th>
            </tr>
          </thead>
          <tbody>
            <!-- 表格中的每一行 -->
            <tr>
              <th scope="row">xxx</th>
              <td>xxx</td>
              <td>xxx</td>
              <td>xxx</td>
              <td>
                <button type="button" class="btn btn-link btn-sm">删除</button>
              </td>
            </tr>
          </tbody>
        </table>
      </div>

      <!-- 右侧的添加区域，占了 4 列 -->
      <div class="col-sm-4">
        <!-- 添加图书的卡片 -->
        <div class="card text-white bg-secondary sticky-top">
          <div class="card-header">添加新图书</div>
          <form class="card-body bg-light" id="addForm">
            <!-- 书名 -->
            <div class="input-group mb-3">
              <div class="input-group-prepend">
                <span class="input-group-text">书名</span>
              </div>
              <input type="text" class="form-control" placeholder="请输入图书名称" name="bookname">
            </div>
            <!-- 作者 -->
            <div class="input-group mb-3">
              <div class="input-group-prepend">
                <span class="input-group-text">作者</span>
              </div>
              <input type="text" class="form-control" placeholder="请输入作者名字" name="author">
            </div>
            <!-- 出版社 -->
            <div class="input-group mb-3">
              <div class="input-group-prepend">
                <span class="input-group-text">出版社</span>
              </div>
              <input type="text" class="form-control" placeholder="请输入出版社名称" name="publisher">
            </div>
            <!-- 添加按钮 -->
            <button class="btn btn-dark" type="submit">添加</button>
          </form>
        </div>
      </div>
    </div>
  </div>

  <script src="./lib/common.js"></script>
  <script src="./lib/axios.js"></script>
  <script>

    function render() {
      //获取图书列表  接口：   http://www.liulongbin.top:3006/api/addbook/api/getbooks
      axios.get('http://www.liulongbin.top:3006/api/getbooks').then(({status,msg, data:{data}}) => {
        // console.log(res)
        if (status !== 200) {
          alert(msg)
        }
        const htmlStr = data.map(({ id, bookname, author,   publisher }) => {
          return `
      <tr>
              <th scope="row">${id}</th>
              <td>${bookname}</td>
              <td>${author}</td>
              <td>${publisher}</td>
              <td>
                <button type="button" class="btn btn-link btn-sm " >删除</button>
              </td>
            </tr>
      `
        }).join('')
        const tbody = document.querySelector('tbody').innerHTML=htmlStr
      }

      )

      //删除 图书 接口： http://www.liulongbin.top:3006/api/delbook
      const deleteButtons = document.querySelectorAll('.btn .btn-link .btn-sm ')
    deleteButtons.forEach(button => {
      button.addEventListener('click', () => {
        const bookId = button.parentNode.parentNode.querySelector('th').textContent
        axios.delete(`http://www.liulongbin.top:3006/api/delbook`)
          .then(({ data: { status, msg } }) => {
            if (status !== 200) {
              alert(msg)
              return
            }
            alert(msg)
            location.reload()
          })
      })
    })
    }
    render()
    //添加图书 接口：  http://www.liulongbin.top:3006/api/addbook
    const addForm = document.querySelector('#addForm').addEventListener('submit', e => {
      e.preventDefault()//防止表单默认提交行为
      const bookname = document.querySelector('[name="bookname"]').value
      const author = document.querySelector('[name="author"]').value
      const publisher = document.querySelector('[name="publisher"]').value
      const res = { bookname, author, publisher }
      axios.post('http://www.liulongbin.top:3006/api/addbook', res).then(({ data: { status, msg } }) => {
        if (status !== 201) {
          return alter(msg)
        }
        alert('注册成功')
        location.reload()//location.reload()是一个JavaScript语句，用于重新加载当前网页
      })
      
    })
    </script>
</body>

</html>